The lacZ gene is commonly used as a reporter gene, because its substrate lactose is well known and easily measured

Indicate whether the statement is true or false.


Answer: FALSE

Biology & Microbiology

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Male orgasm is necessary for

a. ejaculation of semen. b. pregnancy. c. erection. d. sexual arousal. e. all of these.

Biology & Microbiology

Which of the following statements is NOT true?

a. All chordates have a notochord. b. All chordates have pharyngeal pouches or gill slits. c. All chordates have a dorsal nerve cord. d. All chordates are vertebrates. e. Chordates are deuterostomes.

Biology & Microbiology

The presence of organic matter such as saliva and pus can interfere with the actions of disinfectants.

Answer the following statement true (T) or false (F)

Biology & Microbiology

The thymus gland, which is responsible for the development of T cells, stops growing during adolescence and shrinks as one grows into adulthood

Indicate whether the statement is true or false

Biology & Microbiology